Unique and Durable 2 in 1 design, no need to carry different cables for type c and micro b devices, sturdy and durable gold-plated connectors with aluminum shell. Superior Performance Sync and Charge at the same time at the fastest speeds, Built for daily use, these cables can backup files or transfer pictures, music and videos all while charging your device. Faster Charging Perfect for QC3.0 and QC2.0 fast charging technology (Needs QC Supported Device and Charger) and supports max output 3A. Compatibility Compatible with any device that accepts a micro-USB or type C USB cable, Apple MacBook, Google Nexus 6P, Samsung, HTC, Motorola, Nexus, Nokia, LG, HP, Sony, Blackberry and many more. (Not Compatible with Lightning Devices) Warranty and Support We provide long warranty up to 18 months and free lifetime technical support.